(11:45AM - 5/23/20) A compact and strong disturbance will be moving through the region on Saturday, which will bring a severe t’storm threat to portions of the state.
Synopsis... While a few isolated to scattered showers and t’storms are possible across the state Saturday morning, the main focus will be Saturday afternoon into evening. As a strong and compact disturbance moves in the the area, and arc of showers and t’storm are expected to develop Saturday afternoon, across Eastern Iowa into Northwest Illinois. This activity will then spread across Northern Illinois during the afternoon and evening. An environment expected to be in place will feature low to moderate instability, good moisture, good shear and good forcing. This will all aide in upwards of a limited severe t’storm threat across Northern Illinois. All modes of severe weather will be possible.
Additionally, scattered showers and t’storms will be possible across portions of Central and Southern Illinois. Less favorable conditions will exists across these areas...However, an isolated severe t’storm will be possible.
Below is the severe t’storm forecast for this event.
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